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参数资料
| 型号： | MAX8566ETJ+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 11/20页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK ADJ 10A 32TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 60 |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 0.6 V ~ 3.1 V |
| 输入电压： | 2.3 V ~ 3.6 V |
| PWM 型： | 电压模式 |
| 频率 - 开关： | 250kHz ~ 4.2MHz |
| 电流 - 输出： | 10A |
| 同步整流器： | 无 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 32-WFQFN 裸露焊盘 |
| 包装： | 管件 |
| 供应商设备封装： | 32-TQFN-EP（5x5） |
High-Efficiency, 10A, PWM
Internal-Switch Step-Down Regulator
Pin Description
PIN
1
2
3
4
5 –12
13 –17
18 –22
23
NAME
MODE
COMP
PWRGD
BST
LX
PGND
IN
LSS
FUNCTION
Monotonic Startup Enable/Disable. Connect MODE to GND or to the center tap of an external
resistor-divider to enable/disable monotonic startup mode.
Error-Amplifier Output. Connect the necessary compensation network from COMP to FB. COMP is
internally pulled to GND when the IC is in shutdown mode.
90% of 0.6V. Otherwise,
Power-Good Output. Open-drain output that is high impedance when V FB
PWRGD is internally pulled low. PWRGD is internally pulled low when the IC is in shutdown mode,
V DD is below the UVLO threshold, or the IC is in thermal shutdown.
High-Side MOSFET Driver Supply. Bypass BST to LX with a 0.1μF capacitor. BST is connected to
LSS through an internal pMOS switch.
Inductor Connection. All LX pins are internally connected together. Connect all LX pins to the
switched side of the inductor. LX is high impedance when the IC is in shutdown mode.
Power Ground. All PGND pins are internally connected. Connect all PGND pins externally to the
power ground plane.
Input Power Supply. All IN pins are internally connected. Connect all IN pins externally to an input
supply from 2.3V to 3.6V. Bypass IN to PGND with 20μF of ceramic capacitance.
Low-Side MOSFET-Driver Supply Voltage. Connect LSS to a 2.3V to 3.6V supply voltage.
24
V DD
IC Supply Voltage Input. Connect V DD to IN through an external 2
with a 4.7μF capacitor.
resistor. Bypass V DD to GND
25
26
27
28
29
30
31
32
—
REFIN
SS
EN
SYNC
FREQ
SYNCOUT
GND
FB
EP
External Reference Input. Connect to an external reference. FB regulates to the voltage at REFIN.
Connect REFIN to SS to use the internal reference.
Soft-Start Input. Connect a capacitor from SS to GND to set the soft-start time. See the Soft-Start and
REFIN section.
Enable Input. Active-high logic input to enable/disable the MAX8566. Connect EN to IN to enable
the IC. Connect EN to GND to disable the IC.
Synchronization Input. Synchronize to an external clock with a frequency of 250kHz to 2.4MHz.
Leave SYNC unconnected to disable the synchronization function.
Oscillator Frequency Selection. Connect a resistor from FREQ to GND to select the switching
frequency. See the Frequency Select (FREQ) section.
Oscillator Output. The SYNCOUT output is 180° out-of-phase from the internal oscillator or the
SYNC signal to facilitate running a second regulator 180° out-of-phase with the first to reduce input
ripple current.
Analog Circuit Ground
Feedback Input. Connect FB to the center tap of an external resistor-divider from the output to GND
to set the output voltage.
Exposed Pad. Internally connected to GND. Connect to a large ground plane to maximize thermal
performance. Not indented as an electrical connection point.
______________________________________________________________________________________
11
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX8566ETJ+ | 功能描述:电压模式 PWM 控制器 10A Step-Down Regulator RoHS:否 制造商:Texas Instruments 输出端数量:1 拓扑结构:Buck 输出电压:34 V 输出电流: 开关频率: 工作电源电压:4.5 V to 5.5 V 电源电流:600 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:WSON-8 封装:Reel |
| MAX8566ETJ+T | 功能描述:电压模式 PWM 控制器 10A Step-Down Regulator RoHS:否 制造商:Texas Instruments 输出端数量:1 拓扑结构:Buck 输出电压:34 V 输出电流: 开关频率: 工作电源电压:4.5 V to 5.5 V 电源电流:600 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:WSON-8 封装:Reel |
| MAX8566ETJ-T | 功能描述:电压模式 PWM 控制器 RoHS:否 制造商:Texas Instruments 输出端数量:1 拓扑结构:Buck 输出电压:34 V 输出电流: 开关频率: 工作电源电压:4.5 V to 5.5 V 电源电流:600 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:WSON-8 封装:Reel |
| MAX8566EVKIT | 制造商:Maxim Integrated Products 功能描述:10A OUTPUT STEPDOWN REGULATOR WITH - Rail/Tube |
| MAX8566EVKIT+ | 制造商:Maxim Integrated Products 功能描述:EVALUATION KIT FOR THE MAX8566 - Boxed Product (Development Kits) |
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